Class: Pkg_noisrev::FbsdPort

Inherits:
Object
  • Object
show all
Defined in:
lib/pkg_noisrev/fbsdpackage.rb

Defined Under Namespace

Classes: Moved

Class Method Summary collapse

Class Method Details

.moved(ports_dir) ⇒ Object

Parse /usr/ports/MOVED file into a hash. Return an empty hash on error.



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# File 'lib/pkg_noisrev/fbsdpackage.rb', line 330

def self.moved(ports_dir)
  db_moved = ports_dir + '/MOVED'
  r = {}
  begin
    File.open(db_moved) {|f|
      f.each {|line|
        next if line =~ /^\s*(#.*|\s*)$/ # comment or blank line
        next if (entry = line.split '|').size != 4
        r[entry.first] = Moved.new *entry[1..-1]
      }
    }
  rescue
    Trestle.warnx "parsing #{db_moved} failed: #{$!}"
    return {}
  end

  r
end

.ver(ports_dir, origin, rlevel = 0) ⇒ Object

Return a string that represents a port version.

Tries to do that in 2 ways: (a) by primitive regexp parsing of Makefile and if that fails (b) by executing external ‘make’ command.



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# File 'lib/pkg_noisrev/fbsdpackage.rb', line 272

def self.ver(ports_dir, origin, rlevel = 0)
  fail "recursion level for #{origin} is too high" if rlevel >= 3
  
  makefile = ports_dir + '/' + origin + '/' + 'Makefile'
  ver = {}

  begin
    File.open(makefile) {|f|
      f.each {|line|
        ['MASTERDIR', 'DISTVERSION', 'PORTVERSION', 'PORTREVISION', 'PORTEPOCH'].each {|idx|
          ver[idx] = $1 if line.match(/^\s*#{idx}\s*[?:!]?=\s*(\S+)$/)
        }
      }
    }
  rescue
    fail "(rlevel=#{rlevel}) #{$!}"
  end

  # Recursion! Some ports Makefiles don't contain version definitions
  # but a link to a 'master' port.
  if ver['MASTERDIR']
    rlevel += 1
    master_origin = ver['MASTERDIR'].sub(/\${.CURDIR}/, origin)
    return ver(ports_dir, master_origin, rlevel)
  end


  # check if vars contain sane values
  ok = true
  ver.each {|k,v|
    if v !~ /^[a-zA-Z0-9_,.-]+$/
      ok = false
#          puts makefile
      break
    end
  }
  ver['PORTVERSION'] = ver['DISTVERSION'] = nil if !ok
  
  if ver['PORTVERSION'] || ver['DISTVERSION']
    r = ver['PORTVERSION'] || ver['DISTVERSION']
    r += "_#{ver['PORTREVISION']}" if ver['PORTREVISION']
    r += ",#{ver['PORTEPOCH']}" if ver['PORTEPOCH']
    return r
  end
  
  # try a dumb method
  return FbsdPort.ver_slow(ports_dir, origin) rescue fail "(rlevel=#{rlevel}) #{$!}"
  
  fail "(rlevel=#{rlevel}) cannot extract the version for #{makefile}"
end

.ver_slow(ports_dir, origin) ⇒ Object

The last resort method of getting a version number: execute ‘make’ command.

Return a string that represents a port version.



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# File 'lib/pkg_noisrev/fbsdpackage.rb', line 253

def self.ver_slow(ports_dir, origin)
  # cannot use just a block for Dir.chdir due to a annoing warning
  # under the another thread
  dirsave = Dir.pwd
  
  Dir.chdir ports_dir + '/' + origin
  r = Trestle.cmd_run('make -V PKGVERSION')
  
  Dir.chdir dirsave
  
  fail "even executing make didn't help #{origin}" if r[0] != 0
  r[2].strip
end